Music On The Move
Capo : On Stage Acoustic Guitar Capo in Black
$32
The spring-loaded design is far easier to use than strap or thumb screw styles.
It is so easy to use, in fact, removing it midmeasure for a key change is no problem at all.
Diecast steel construction provides the necessary rigidity, while silicone padding provides uniform pressure and protects the neck/fingerboard.